And, while I would hope it's isn't difficult how a photo fits its theme, if you don't understand why, just ask. I have my reasons, I really do.
Number of photos: 10
Themes: 78_Rest; 80_Meeting; 81_Vacant; 83_Release; 84_Gather;
Themes: 85_Swarm; 87_Wait; 88_Stand; 92_Detach; 93_Shatter
flickr for ALL the rest